Sierra College

Sierra College

Data Breach on September 21, 2022
Data Breach Report
Victimsierracollege.edu
Claimed ByViceSociety
Date DiscoveredSep 21, 2022
DescriptionSince 1936, Sierra College has focused on quality instruction and meeting the needs of the communities we serve.
Leak SizeN/A

Credential Exposure for sierracollege.edu

We've indexed 2,624 @sierracollege.edu accounts from external breaches, plus 1,032 credentials for sierracollege.edu itself.

Last checked Oct 4, 2026

@sierracollege.edu addresses from external breaches
Third-party breaches1,801 accounts · across 172 breaches · 1,506 with a plaintext password · most recent Jan 8, 2026
Combo lists1,331 accounts · most recent Oct 4, 2026
Passwords for sierracollege.edu accounts
Combo lists956 logins · most recent Oct 3, 2026
Infostealer logs245 logins · 155 infected devices · most recent Sep 23, 2026

Logins may belong to customers or to staff, and the data doesn't say which. None of this is necessarily connected to the ransomware attack above.

Is your organization next?

Sierra College was breached. Check if your company's credentials have been exposed in this or other data breaches.

Check your exposure →

Continuous dark web monitoring alerts you when we find leaked credentials or session tokens for your company.